/* ============================================
   Business Calculator - Global Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #7c3aed;
    --secondary-color: #2563eb;
    --tertiary-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #fff;
    --dark-bg: #f7f6f7;
    --border-color: #e5e7eb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #fff 0%, #f7f6f7 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ============================================
   Header Section
   ============================================ */

.header-section {
    text-align: center;
    margin-bottom: 20px;
    animation: fadeInDown 0.6s ease-out;
    display: flex;
    align-items: center;
    justify-content: left;
    gap: 15rem;
}

.main-title {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--tertiary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    /* max-width: 500px; */
    margin: 0 auto;
}

/* ============================================
   Business Calculator Section
   ============================================ */

.business-calculator-section {
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 45px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-description {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ============================================
   Search Bar Styles
   ============================================ */

.search-wrapper {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    z-index: 2;
}

.search-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--light-bg);
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.clear-search {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark-bg);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
    z-index: 3;
}

.clear-search:hover {
    background: var(--border-color);
    color: var(--primary-color);
}

.search-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.filter-btn {
    padding: 8px 18px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--light-bg);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-secondary);
}

.no-results svg {
    color: var(--border-color);
    margin-bottom: 20px;
    opacity: 0.6;
}

.no-results p {
    font-size: 1.125rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.reset-btn {
    padding: 10px 24px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.reset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

/* ============================================
   Calculator Container & Grid
   ============================================ */

.calculator-container {
    position: relative;
    /* max-width: 1200px; */
    margin: 0 auto;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   Calculator Card Styles
   ============================================ */

.calculator-card {
    background: var(--light-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.calculator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--tertiary-color));
    opacity: 0;
    transition: var(--transition);
}

.calculator-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: var(--primary-color);
}

.calculator-card:hover::before {
    opacity: 1;
}

/* Card Layout - Image on Left, Text on Right */
.card-content {
    display: flex;
    gap: 20px;
    padding: 24px;
    flex: 1;
    align-items: flex-start;
}

.card-icon-wrapper {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    position: relative;
}

.card-icon-wrapper.pe-ratio {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(124, 58, 237, 0.05));
}

.card-icon-wrapper.peg-ratio {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(37, 99, 235, 0.05));
}

.card-icon-wrapper.pb-ratio {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
}

.card-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.card-full-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 10px;
}

.card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.card-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.card-action svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.calculator-card:hover .card-action {
    gap: 10px;
}

.calculator-card:hover .card-action svg {
    transform: translateX(4px);
}

/* ============================================
   Modal Styles
   ============================================ */

.calculator-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
    overflow-y: auto;
}

.calculator-modal.show {
    display: flex;
}

.modal-content {
    background: var(--light-bg);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
    animation: slideUp 0.3s ease-out;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--dark-bg);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--border-color);
    transform: scale(1.1);
}

.modal-body {
    padding: 40px 30px 30px;
}

.modal-header {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.modal-icon {
    font-size: 48px;
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(37, 99, 235, 0.1));
    flex-shrink: 0;
}

.modal-info {
    flex: 1;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.modal-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.modal-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

/* ============================================
   Form Styles
   ============================================ */

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--light-bg);
    color: var(--text-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

.form-helper {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================
   Button Styles
   ============================================ */

.calculate-button {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.calculate-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(124, 58, 237, 0.3);
}

.calculate-button:active {
    transform: translateY(0);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--light-bg);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.back-button:hover {
    background: var(--dark-bg);
    border-color: var(--primary-color);
    transform: translateX(-4px);
}

/* ============================================
   Result Section
   ============================================ */

.result-section {
    margin-top: 24px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(6, 182, 212, 0.05));
    border-radius: 10px;
    border-left: 4px solid var(--success-color);
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 8px;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--success-color), var(--tertiary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Back Section
   ============================================ */

.back-section {
    text-align: center;
 
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .container {
        padding: 30px 16px;
    }

    .main-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .card-content {
        padding: 16px;
        gap: 16px;
    }

    .card-icon-wrapper {
        width: 70px;
        height: 70px;
        font-size: 32px;
    }

    .card-name {
        font-size: 1.1rem;
    }

    .modal-content {
        width: 95%;
        max-width: 100%;
    }

    .modal-body {
        padding: 30px 20px 20px;
    }

    .modal-title {
        font-size: 1.25rem;
    }

    .result-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .subtitle,
    .section-description {
        font-size: 0.9rem;
    }

    .card-content {
        flex-direction: column;
        text-align: center;
    }

    .card-icon-wrapper {
        margin: 0 auto;
    }

    .card-text {
        align-items: center;
    }

    .card-action {
        justify-content: center;
    }

    .modal-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .modal-icon {
        margin: 0 auto;
    }
}